- react
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- spring-boot
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- saas
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- react-posts
- angular-posts
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- engineering
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Security Auditing in a Multi-Tenant SaaS: Layered Filters, JWT, and API Keys
A practical walkthrough of how a layered security filter chain protects a multi-tenant Spring Boot API — covering SSL termination, tenant isolation, JWT validation, API key auth, and role-based access.
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Layer 3 — JWT Authentication: Stateless Identity with Short-Lived Tokens
A deep dive into JWT authentication in a Spring Boot multi-tenant API — covering algorithm choice, claim design, expiry, token validation order, and the tests that prove it's working.
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SNS Bounce & Complaint Webhook Handling with AWS SES
How to configure AWS SNS to receive SES bounce and complaint notifications, expose a webhook endpoint, and maintain a suppression list that protects your sending reputation.
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Building Sovereign Social Automation with Meta's System Users
A technical guide on bypassing session flakes using Meta System Users for multi-tenant SaaS.
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Scheduled Email Triggers & Nurture Sequence Architecture
How to design and implement a scheduled email trigger system and multi-step marketing nurture sequences using Spring Scheduler, conditional state evaluation, and AWS SES.